Table 1.
Baseline and procedural characteristics
| Overall | Endovascular treatment |
p value | ASD, % | ||
|---|---|---|---|---|---|
| Head-First | Neck-First | ||||
| Patients, n | 289 | 107 | 182 | ||
| Mean age ± SD, years | 66.7 (10.5) | 65.9 (10.5) | 67.2 (10.5) | 0.33 | 12.0 |
| Males | 187/288 (64.9) | 68/106 (64.2) | 119/182 (65.4) | 0.83 | 2.6 |
| Medical history | |||||
| Hypertension | 168/266 (63.2) | 55/93 (59.1) | 113/173 (65.3) | 0.32 | 12.8 |
| Diabetes | 45/267 (16.9) | 18/94 (19.2) | 27/173 (15.6) | 0.46 | 9.4 |
| Hypercholesterolemia | 112/267 (42.0) | 33/94 (35.1) | 79/173 (45.7) | 0.09 | 21.6 |
| Current smoking | 82/258 (31.8) | 25/92 (27.2) | 57/166 (34.3) | 0.24 | 15.6 |
| Mean admission NIHSS score ± SDa | 15.7 (6.0) | 15.8 (6.2) | 15.7 (5.9) | 0.90 | 1.5 |
| Median ASPECTS (IQR)b | 8 (7–9) | 7 (6–8) | 8 (7–10) | <0.001 | 47.6 |
| Cervical ICA lesion | |||||
| Stenosis ≥90% | 163/289 (56.4) | 46/107 (43.0) | 117/182 (64.7) | <0.001 | 43.7 |
| Complete occlusion | 126/289 (43.6) | 61/107 (57.0) | 65/182 (35.7) | ||
| Intracranial occlusion location | |||||
| MCA | 198/289 (68.5) | 77/107 (72.0) | 121/182 (66.5) | 0.33 | 11.9 |
| ICA | 91/289 (31.5) | 30/107 (28.0) | 61/182 (33.5) | ||
| Treatment details | |||||
| IV thrombolysis | 175/289 (60.6) | 63/107 (58.9) | 112/182 (61.5) | 0.66 | 5.4 |
| General anesthesia | 164/289 (56.8) | 59/107 (55.1) | 105/182 (57.7) | 0.67 | 5.2 |
| Median onset to groin puncture (IQR), minc | 250 (180–333) | 259 (180–345) | 247 (180–322) | 0.64 | 7.0 |
| Thrombectomy device | |||||
| Stent retriever | 255/289 (88.2) | 96/107 (89.7) | 159/182 (87.4) | 0.55 | 7.4 |
| Contact aspiration | 34/289 (11.8) | 11/107 (10.3) | 23/182 (12.6) | ||
Values are expressed as n/total n (%), unless otherwise indicated. Bold values indicate significance. ASD, absolute standardized difference; ASPECTS, Alberta Stroke Program Early CT Score; CT, computed tomography; ICA, internal carotid artery; IQR, interquartile range; IV, intravenous; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; SD, standard deviation.
a
1 missing value;
b
27 missing values;
c
98 missing values.